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Finding the Fourth Proportional to 169,319.79, 233,668.69 and 101,323.83

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Solution

The fourth proportional to 169,319.79, 233,668.69 and 101,323.83 is: 139,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,319.79 : 233,668.69 = 101,323.83 : x
  2. Step 2: Convert to fraction form
    169,319.79/233,668.69 = 101,323.83/x
  3. Step 3: Cross multiply
    169,319.79x = 233,668.69 × 101,323.83
  4. Step 4: Simplify right side
    169,319.79x = 23,676,206,621.88
  5. Step 5: Solve for x
    x = 23,676,206,621.88/169,319.79
  6. Step 6: Final answer
    x = 139,831.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.